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NCT03087903 · ClinicalTrials.gov registry record · NA

A Study of Grape Seed Extract in Asymptomatic Non-Metastatic Prostate Cancer Patients With Rising PSA

A NA study, sponsored by University of Colorado, Denver.

Completed
Registry status
NA
Development phase
41
Enrollment target

NCT03087903: Completed NA study, sponsored by University of Colorado, Denver.

NCT03087903 is a NA study that has completed, run by University of Colorado, Denver. The registered enrollment target is 41 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03087903, a NA study, has completed, sponsored by University of Colorado, Denver.

COMPLETED
Registry status
NA
Development phase
41 participants
Enrollment target

Study Summary

Patients will take 150 mg of GSE product by mouth twice daily and will be evaluated every 6 weeks for 3 months, then every 3 months thereafter for up to one year.

Primary Outcome

PSA response will be defined as an increase in prostate specific antigen (PSA) doubling time (PSADT) of 30% (PSADT is the length of time it takes for a PSA to double based on an exponential growth pattern). Patients must have a PSA level of ≥ 0.2 at study entry and should have at least three prior PSA values with dates from which to calculate a PSA doubling time.

Interventions

  • DIETARY_SUPPLEMENT Grape Seed Extract

Trial Details

FieldValue
Enrollment Target 41 participants
Start Date 2018-01-18
Est. Completion 2023-09-29
Phase NA
University of Colorado, Denver

1,283 total trials

What the finished NCT03087903 record still lists

NCT03087903 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 41 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower).

The record links to 0 conditions, and to 1 intervention - of which Grape Seed Extract is the first listed.

NCT03087903 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03087903 about?

NCT03087903 is a clinical study titled "A Study of Grape Seed Extract in Asymptomatic Non-Metastatic Prostate Cancer Patients With Rising PSA". Patients will take 150 mg of GSE product by mouth twice daily and will be evaluated every 6 weeks for 3 months, then every 3 months thereafter for up to one year.

What is the current status of trial NCT03087903?

This trial is currently completed. It is a NA study. The enrollment target is 41 participants. The study started on 2018-01-18. Estimated completion is 2023-09-29.

What interventions are being tested in trial NCT03087903?

The interventions under investigation include: Grape Seed Extract (DIETARY_SUPPLEMENT).

Who is sponsoring clinical trial NCT03087903?

This trial is sponsored by University of Colorado, Denver, which has 1,283 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03087903's enrollment target sits among peer trials

41 1446th of 2000 higher than 554 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03087903, the US trial registry maintained by the National Library of Medicine. NCT03087903 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.